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<div id=Content><div class="CClass"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="mxPrintPreview"></a>mxPrintPreview</h1><div class=CBody><p>Implements printing of a diagram across multiple pages.&nbsp; The following opens a print preview for an existing graph:</p><blockquote><pre class="prettyprint">var preview = new mxPrintPreview(graph);
preview.open();</pre></blockquote><p>Use <a href="../util/mxUtils-js.html#mxUtils.getScaleForPageCount" class=LFunction id=link45 onMouseOver="ShowTip(event, 'tt42', 'link45')" onMouseOut="HideTip('tt42')">mxUtils.getScaleForPageCount</a> as follows in order to print the graph across a given number of pages:</p><blockquote><pre class="prettyprint">var pageCount = mxUtils.prompt('Enter page count', '1');

if (pageCount != null)
{
  var scale = mxUtils.getScaleForPageCount(pageCount, graph);
  var preview = new mxPrintPreview(graph, scale);
  preview.open();
}</pre></blockquote><h4 class=CHeading>Additional pages</h4><p>To add additional pages before and after the output, <a href="#mxPrintPreview.getCoverPages" class=LFunction id=link46 onMouseOver="ShowTip(event, 'tt38', 'link46')" onMouseOut="HideTip('tt38')">getCoverPages</a> and <a href="#mxPrintPreview.getAppendices" class=LFunction id=link47 onMouseOver="ShowTip(event, 'tt39', 'link47')" onMouseOut="HideTip('tt39')">getAppendices</a> can be used, respectively.</p><blockquote><pre class="prettyprint">var preview = new mxPrintPreview(graph, 1);

preview.getCoverPages = function(w, h)
{
  return [this.renderPage(w, h, 0, 0, mxUtils.bind(this, function(div)
  {
    div.innerHTML = '&lt;div style=&quot;position:relative;margin:4px;&quot;&gt;Cover Page&lt;/p&gt;'
  }))];
};

preview.getAppendices = function(w, h)
{
  return [this.renderPage(w, h, 0, 0, mxUtils.bind(this, function(div)
  {
    div.innerHTML = '&lt;div style=&quot;position:relative;margin:4px;&quot;&gt;Appendix&lt;/p&gt;'
  }))];
};

preview.open();</pre></blockquote><h4 class=CHeading>CSS</h4><p>The CSS from the original page is not carried over to the print preview.&nbsp; To add CSS to the page, use the css argument in the <a href="#mxPrintPreview.open" class=LFunction id=link48 onMouseOver="ShowTip(event, 'tt22', 'link48')" onMouseOut="HideTip('tt22')">open</a> function or override <a href="#mxPrintPreview.writeHead" class=LFunction id=link49 onMouseOver="ShowTip(event, 'tt30', 'link49')" onMouseOut="HideTip('tt30')">writeHead</a> to add the respective link tags as follows:</p><blockquote><pre class="prettyprint">var writeHead = preview.writeHead;
preview.writeHead = function(doc, css)
{
  writeHead.apply(this, arguments);
  doc.writeln('&lt;link rel=&quot;stylesheet&quot; type=&quot;text/css&quot; href=&quot;style.css&quot;&gt;');
};</pre></blockquote><h4 class=CHeading>Padding</h4><p>To add a padding to the page in the preview (but not the print output), use the following code:</p><blockquote><pre class="prettyprint">preview.writeHead = function(doc)
{
  writeHead.apply(this, arguments);

  doc.writeln('&lt;style type=&quot;text/css&quot;&gt;');
  doc.writeln('@media screen {');
  doc.writeln('  body &gt; div { padding-top:30px;padding-left:40px;box-sizing:content-box; }');
  doc.writeln('}');
  doc.writeln('&lt;/style&gt;');
};</pre></blockquote><h4 class=CHeading>Headers</h4><p>Apart from setting the title argument in the mxPrintPreview constructor you can override <a href="#mxPrintPreview.renderPage" class=LFunction id=link50 onMouseOver="ShowTip(event, 'tt32', 'link50')" onMouseOut="HideTip('tt32')">renderPage</a> as follows to add a header to any page:</p><blockquote><pre class="prettyprint">var oldRenderPage = mxPrintPreview.prototype.renderPage;
mxPrintPreview.prototype.renderPage = function(w, h, x, y, content, pageNumber)
{
  var div = oldRenderPage.apply(this, arguments);

  var header = document.createElement('div');
  header.style.position = 'absolute';
  header.style.top = '0px';
  header.style.width = '100%';
  header.style.textAlign = 'right';
  mxUtils.write(header, 'Your header here');
  div.firstChild.appendChild(header);

  return div;
};</pre></blockquote><p>The pageNumber argument contains the number of the current page, starting at 1.&nbsp; To display a header on the first page only, check pageNumber and add a vertical offset in the constructor call for the height of the header.</p><h4 class=CHeading>Page Format</h4><p>For landscape printing, use &lt;mxConstants.PAGE_FORMAT_A4_LANDSCAPE&gt; as the pageFormat in <a href="../util/mxUtils-js.html#mxUtils.getScaleForPageCount" class=LFunction id=link51 onMouseOver="ShowTip(event, 'tt42', 'link51')" onMouseOut="HideTip('tt42')">mxUtils.getScaleForPageCount</a> and <a href="#mxPrintPreview.mxPrintPreview" class=LFunction id=link52 onMouseOver="ShowTip(event, 'tt1', 'link52')" onMouseOut="HideTip('tt1')">mxPrintPreview</a>.&nbsp; Keep in mind that one can not set the defaults for the print dialog of the operating system from JavaScript so the user must manually choose a page format that matches this setting.</p><p>You can try passing the following CSS directive to <a href="#mxPrintPreview.open" class=LFunction id=link53 onMouseOver="ShowTip(event, 'tt22', 'link53')" onMouseOut="HideTip('tt22')">open</a> to set the page format in the print dialog to landscape.&nbsp; However, this CSS directive seems to be ignored in most major browsers, including IE.</p><blockquote><pre class="prettyprint">@page {
  size: landscape;
}</pre></blockquote><p>Note that the print preview behaves differently in IE when used from the filesystem or via HTTP so printing should always be tested via HTTP.</p><p>If you are using a DOCTYPE in the source page you can override &lt;getDoctype&gt; and provide the same DOCTYPE for the print preview if required.&nbsp; Here is an example for IE8 standards mode.</p><blockquote><pre class="prettyprint">var preview = new mxPrintPreview(graph);
preview.getDoctype = function()
{
  return '&lt;!--[if IE]&gt;&lt;meta http-equiv=&quot;X-UA-Compatible&quot; content=&quot;IE=5,IE=8&quot; &gt;&lt;![endif]--&gt;';
};
preview.open();</pre></blockquote><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SMain"><td class=SEntry><a href="#mxPrintPreview" >mxPrintPreview</a></td><td class=SDescription>Implements printing of a diagram across multiple pages. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxPrintPreview.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.mxPrintPreview" id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">mxPrintPreview</a></td><td class=SDescription>Constructs a new print preview for the given parameters.</td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxPrintPreview.Variables" >Variables</a></td><td class=SDescription></td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.graph" id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">graph</a></td><td class=SDescription>Reference to the <a href="mxGraph-js.html#mxGraph" class=LClass id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">mxGraph</a> that should be previewed.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxPrintPreview.pageFormat" id=link4 onMouseOver="ShowTip(event, 'tt4', 'link4')" onMouseOut="HideTip('tt4')">pageFormat</a></td><td class=SDescription>Holds the <a href="../util/mxRectangle-js.html#mxRectangle" class=LClass id=link5 onMouseOver="ShowTip(event, 'tt5', 'link5')" onMouseOut="HideTip('tt5')">mxRectangle</a> that defines the page format.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.scale" id=link6 onMouseOver="ShowTip(event, 'tt6', 'link6')" onMouseOut="HideTip('tt6')">scale</a></td><td class=SDescription>Holds the scale of the print preview.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxPrintPreview.border" id=link7 onMouseOver="ShowTip(event, 'tt7', 'link7')" onMouseOut="HideTip('tt7')">border</a></td><td class=SDescription>The border inset around each side of every page in the preview. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.marginTop" id=link8 onMouseOver="ShowTip(event, 'tt8', 'link8')" onMouseOut="HideTip('tt8')">marginTop</a></td><td class=SDescription>The margin at the top of the page (number). </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxPrintPreview.marginBottom" id=link9 onMouseOver="ShowTip(event, 'tt9', 'link9')" onMouseOut="HideTip('tt9')">marginBottom</a></td><td class=SDescription>The margin at the bottom of the page (number). </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.x0" id=link10 onMouseOver="ShowTip(event, 'tt10', 'link10')" onMouseOut="HideTip('tt10')">x0</a></td><td class=SDescription>Holds the horizontal offset of the output.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxPrintPreview.y0" id=link11 onMouseOver="ShowTip(event, 'tt11', 'link11')" onMouseOut="HideTip('tt11')">y0</a></td><td class=SDescription>Holds the vertical offset of the output.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.autoOrigin" id=link12 onMouseOver="ShowTip(event, 'tt12', 'link12')" onMouseOut="HideTip('tt12')">autoOrigin</a></td><td class=SDescription>Specifies if the origin should be automatically computed based on the top, left corner of the actual diagram contents. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxPrintPreview.printOverlays" id=link13 onMouseOver="ShowTip(event, 'tt13', 'link13')" onMouseOut="HideTip('tt13')">printOverlays</a></td><td class=SDescription>Specifies if overlays should be printed. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.printControls" id=link14 onMouseOver="ShowTip(event, 'tt14', 'link14')" onMouseOut="HideTip('tt14')">printControls</a></td><td class=SDescription>Specifies if controls (such as folding icons) should be printed. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxPrintPreview.printBackgroundImage" id=link15 onMouseOver="ShowTip(event, 'tt15', 'link15')" onMouseOut="HideTip('tt15')">printBackgroundImage</a></td><td class=SDescription>Specifies if the background image should be printed. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.backgroundColor" id=link16 onMouseOver="ShowTip(event, 'tt16', 'link16')" onMouseOut="HideTip('tt16')">backgroundColor</a></td><td class=SDescription>Holds the color value for the page background color. </td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxPrintPreview.borderColor" id=link17 onMouseOver="ShowTip(event, 'tt17', 'link17')" onMouseOut="HideTip('tt17')">borderColor</a></td><td class=SDescription>Holds the color value for the page border.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.title" id=link18 onMouseOver="ShowTip(event, 'tt18', 'link18')" onMouseOut="HideTip('tt18')">title</a></td><td class=SDescription>Holds the title of the preview window.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxPrintPreview.pageSelector" id=link19 onMouseOver="ShowTip(event, 'tt19', 'link19')" onMouseOut="HideTip('tt19')">pageSelector</a></td><td class=SDescription>Boolean that specifies if the page selector should be displayed. </td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.wnd" id=link20 onMouseOver="ShowTip(event, 'tt20', 'link20')" onMouseOut="HideTip('tt20')">wnd</a></td><td class=SDescription>Reference to the preview window.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxPrintPreview.targetWindow" id=link21 onMouseOver="ShowTip(event, 'tt21', 'link21')" onMouseOut="HideTip('tt21')">targetWindow</a></td><td class=SDescription>Assign any window here to redirect the rendering in <a href="#mxPrintPreview.open" class=LFunction id=link22 onMouseOver="ShowTip(event, 'tt22', 'link22')" onMouseOut="HideTip('tt22')">open</a>.</td></tr><tr class="SVariable SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.pageCount" id=link23 onMouseOver="ShowTip(event, 'tt23', 'link23')" onMouseOut="HideTip('tt23')">pageCount</a></td><td class=SDescription>Holds the actual number of pages in the preview.</td></tr><tr class="SVariable SIndent2"><td class=SEntry><a href="#mxPrintPreview.clipping" id=link24 onMouseOver="ShowTip(event, 'tt24', 'link24')" onMouseOut="HideTip('tt24')">clipping</a></td><td class=SDescription>Specifies is clipping should be used to avoid creating too many cell states in large diagrams. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#mxPrintPreview.Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.getWindow" id=link25 onMouseOver="ShowTip(event, 'tt25', 'link25')" onMouseOut="HideTip('tt25')">getWindow</a></td><td class=SDescription>Returns <a href="#mxPrintPreview.wnd" class=LVariable id=link26 onMouseOver="ShowTip(event, 'tt20', 'link26')" onMouseOut="HideTip('tt20')">wnd</a>.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxPrintPreview.getDocType" >getDocType</a></td><td class=SDescription>Returns the string that should go before the HTML tag in the print preview page. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.appendGraph" id=link27 onMouseOver="ShowTip(event, 'tt26', 'link27')" onMouseOut="HideTip('tt26')">appendGraph</a></td><td class=SDescription>Adds the given graph to the existing print preview.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxPrintPreview.open" id=link28 onMouseOver="ShowTip(event, 'tt22', 'link28')" onMouseOut="HideTip('tt22')">open</a></td><td class=SDescription>Shows the print preview window. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.addPageBreak" id=link29 onMouseOver="ShowTip(event, 'tt27', 'link29')" onMouseOut="HideTip('tt27')">addPageBreak</a></td><td class=SDescription>Adds a page break to the given document.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxPrintPreview.closeDocument" id=link30 onMouseOver="ShowTip(event, 'tt28', 'link30')" onMouseOut="HideTip('tt28')">closeDocument</a></td><td class=SDescription>Writes the closing tags for body and page after calling <a href="#mxPrintPreview.writePostfix" class=LFunction id=link31 onMouseOver="ShowTip(event, 'tt29', 'link31')" onMouseOut="HideTip('tt29')">writePostfix</a>.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.writeHead" id=link32 onMouseOver="ShowTip(event, 'tt30', 'link32')" onMouseOut="HideTip('tt30')">writeHead</a></td><td class=SDescription>Writes the HEAD section into the given document, without the opening and closing HEAD tags.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxPrintPreview.writePostfix" id=link33 onMouseOver="ShowTip(event, 'tt29', 'link33')" onMouseOut="HideTip('tt29')">writePostfix</a></td><td class=SDescription>Called before closing the body of the page. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.createPageSelector" id=link34 onMouseOver="ShowTip(event, 'tt31', 'link34')" onMouseOut="HideTip('tt31')">createPageSelector</a></td><td class=SDescription>Creates the page selector table.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxPrintPreview.renderPage" id=link35 onMouseOver="ShowTip(event, 'tt32', 'link35')" onMouseOut="HideTip('tt32')">renderPage</a></td><td class=SDescription>Creates a DIV that prints a single page of the given graph using the given scale and returns the DIV that represents the page.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.getRoot" id=link36 onMouseOver="ShowTip(event, 'tt33', 'link36')" onMouseOut="HideTip('tt33')">getRoot</a></td><td class=SDescription>Returns the root cell for painting the graph.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxPrintPreview.useCssTransforms" id=link37 onMouseOver="ShowTip(event, 'tt34', 'link37')" onMouseOut="HideTip('tt34')">useCssTransforms</a></td><td class=SDescription>Returns true if CSS transforms should be used for scaling content. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.addGraphFragment" id=link38 onMouseOver="ShowTip(event, 'tt35', 'link38')" onMouseOut="HideTip('tt35')">addGraphFragment</a></td><td class=SDescription>Adds a graph fragment to the given div.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxPrintPreview.getLinkForCellState" id=link39 onMouseOver="ShowTip(event, 'tt36', 'link39')" onMouseOut="HideTip('tt36')">getLinkForCellState</a></td><td class=SDescription>Returns the link for the given cell state. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.insertBackgroundImage" id=link40 onMouseOver="ShowTip(event, 'tt37', 'link40')" onMouseOut="HideTip('tt37')">insertBackgroundImage</a></td><td class=SDescription>Inserts the background image into the given div.</td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxPrintPreview.getCoverPages" id=link41 onMouseOver="ShowTip(event, 'tt38', 'link41')" onMouseOut="HideTip('tt38')">getCoverPages</a></td><td class=SDescription>Returns the pages to be added before the print output. </td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.getAppendices" id=link42 onMouseOver="ShowTip(event, 'tt39', 'link42')" onMouseOut="HideTip('tt39')">getAppendices</a></td><td class=SDescription>Returns the pages to be added after the print output. </td></tr><tr class="SFunction SIndent2"><td class=SEntry><a href="#mxPrintPreview.print" id=link43 onMouseOver="ShowTip(event, 'tt40', 'link43')" onMouseOut="HideTip('tt40')">print</a></td><td class=SDescription>Opens the print preview and shows the print dialog.</td></tr><tr class="SFunction SIndent2 SMarked"><td class=SEntry><a href="#mxPrintPreview.close" id=link44 onMouseOver="ShowTip(event, 'tt41', 'link44')" onMouseOut="HideTip('tt41')">close</a></td><td class=SDescription>Closes the print preview window.</td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>

<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.Functions"></a>Functions</h3></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.mxPrintPreview"></a>mxPrintPreview</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>function mxPrintPreview(</td><td class="PParameter  prettyprint " nowrap>graph,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>scale,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>pageFormat,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>border,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>x0,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>y0,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>borderColor,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>title,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>pageSelector</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Constructs a new print preview for the given parameters.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>graph</td><td class=CDLDescription><a href="mxGraph-js.html#mxGraph" class=LClass id=link54 onMouseOver="ShowTip(event, 'tt3', 'link54')" onMouseOut="HideTip('tt3')">mxGraph</a> to be previewed.</td></tr><tr><td class=CDLEntry>scale</td><td class=CDLDescription>Optional scale of the output.&nbsp; Default is 1 / <a href="mxGraph-js.html#mxGraph.pageScale" class=LVariable id=link55 onMouseOver="ShowTip(event, 'tt43', 'link55')" onMouseOut="HideTip('tt43')">mxGraph.pageScale</a>.</td></tr><tr><td class=CDLEntry>pageFormat</td><td class=CDLDescription><a href="../util/mxRectangle-js.html#mxRectangle" class=LClass id=link56 onMouseOver="ShowTip(event, 'tt5', 'link56')" onMouseOut="HideTip('tt5')">mxRectangle</a> that specifies the page format (in pixels).</td></tr><tr><td class=CDLEntry>border</td><td class=CDLDescription>Border in pixels along each side of every page.&nbsp; Note that the actual print function in the browser will add another border for printing.&nbsp; This should match the page format of the printer.&nbsp; Default uses the <a href="mxGraph-js.html#mxGraph.pageFormat" class=LVariable id=link57 onMouseOver="ShowTip(event, 'tt44', 'link57')" onMouseOut="HideTip('tt44')">mxGraph.pageFormat</a> of the given graph.</td></tr><tr><td class=CDLEntry>x0</td><td class=CDLDescription>Optional left offset of the output.&nbsp; Default is 0.</td></tr><tr><td class=CDLEntry>y0</td><td class=CDLDescription>Optional top offset of the output.&nbsp; Default is 0.</td></tr><tr><td class=CDLEntry>borderColor</td><td class=CDLDescription>Optional color of the page border.&nbsp; Default is no border.&nbsp; Note that a border is sometimes useful to highlight the printed page border in the print preview of the browser.</td></tr><tr><td class=CDLEntry>title</td><td class=CDLDescription>Optional string that is used for the window title.&nbsp; Default is &lsquo;Printer-friendly version&rsquo;.</td></tr><tr><td class=CDLEntry>pageSelector</td><td class=CDLDescription>Optional boolean that specifies if the page selector should appear in the window with the print preview.&nbsp; Default is true.</td></tr></table></div></div></div>

<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.Variables"></a>Variables</h3></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.graph"></a>graph</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.graph</td></tr></table></blockquote><p>Reference to the <a href="mxGraph-js.html#mxGraph" class=LClass id=link58 onMouseOver="ShowTip(event, 'tt3', 'link58')" onMouseOut="HideTip('tt3')">mxGraph</a> that should be previewed.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.pageFormat"></a>pageFormat</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.pageFormat</td></tr></table></blockquote><p>Holds the <a href="../util/mxRectangle-js.html#mxRectangle" class=LClass id=link59 onMouseOver="ShowTip(event, 'tt5', 'link59')" onMouseOut="HideTip('tt5')">mxRectangle</a> that defines the page format.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.scale"></a>scale</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.scale</td></tr></table></blockquote><p>Holds the scale of the print preview.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.border"></a>border</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.border</td></tr></table></blockquote><p>The border inset around each side of every page in the preview.&nbsp; This is set to 0 if autoOrigin is false.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.marginTop"></a>marginTop</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.marginTop</td></tr></table></blockquote><p>The margin at the top of the page (number).&nbsp; Default is 0.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.marginBottom"></a>marginBottom</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.marginBottom</td></tr></table></blockquote><p>The margin at the bottom of the page (number).&nbsp; Default is 0.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.x0"></a>x0</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.x0</td></tr></table></blockquote><p>Holds the horizontal offset of the output.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.y0"></a>y0</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.y0</td></tr></table></blockquote><p>Holds the vertical offset of the output.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.autoOrigin"></a>autoOrigin</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.autoOrigin</td></tr></table></blockquote><p>Specifies if the origin should be automatically computed based on the top, left corner of the actual diagram contents.&nbsp; The required offset will be added to <a href="#mxPrintPreview.x0" class=LVariable id=link60 onMouseOver="ShowTip(event, 'tt10', 'link60')" onMouseOut="HideTip('tt10')">x0</a> and <a href="#mxPrintPreview.y0" class=LVariable id=link61 onMouseOver="ShowTip(event, 'tt11', 'link61')" onMouseOut="HideTip('tt11')">y0</a> in <a href="#mxPrintPreview.open" class=LFunction id=link62 onMouseOver="ShowTip(event, 'tt22', 'link62')" onMouseOut="HideTip('tt22')">open</a>.&nbsp; Default is true.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.printOverlays"></a>printOverlays</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.printOverlays</td></tr></table></blockquote><p>Specifies if overlays should be printed.&nbsp; Default is false.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.printControls"></a>printControls</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.printControls</td></tr></table></blockquote><p>Specifies if controls (such as folding icons) should be printed.&nbsp; Default is false.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.printBackgroundImage"></a>printBackgroundImage</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.printBackgroundImage</td></tr></table></blockquote><p>Specifies if the background image should be printed.&nbsp; Default is false.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.backgroundColor"></a>backgroundColor</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.backgroundColor</td></tr></table></blockquote><p>Holds the color value for the page background color.&nbsp; Default is #ffffff.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.borderColor"></a>borderColor</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.borderColor</td></tr></table></blockquote><p>Holds the color value for the page border.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.title"></a>title</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.title</td></tr></table></blockquote><p>Holds the title of the preview window.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.pageSelector"></a>pageSelector</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.pageSelector</td></tr></table></blockquote><p>Boolean that specifies if the page selector should be displayed.&nbsp; Default is true.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.wnd"></a>wnd</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.wnd</td></tr></table></blockquote><p>Reference to the preview window.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.targetWindow"></a>targetWindow</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.targetWindow</td></tr></table></blockquote><p>Assign any window here to redirect the rendering in <a href="#mxPrintPreview.open" class=LFunction id=link63 onMouseOver="ShowTip(event, 'tt22', 'link63')" onMouseOut="HideTip('tt22')">open</a>.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.pageCount"></a>pageCount</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.pageCount</td></tr></table></blockquote><p>Holds the actual number of pages in the preview.</p></div></div></div>

<div class="CVariable"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.clipping"></a>clipping</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.clipping</td></tr></table></blockquote><p>Specifies is clipping should be used to avoid creating too many cell states in large diagrams.&nbsp; The bounding box of the cells in the original diagram is used if this is enabled.&nbsp; Default is true.</p></div></div></div>

<div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.Functions"></a>Functions</h3></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.getWindow"></a>getWindow</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.getWindow = function()</td></tr></table></blockquote><p>Returns <a href="#mxPrintPreview.wnd" class=LVariable id=link64 onMouseOver="ShowTip(event, 'tt20', 'link64')" onMouseOut="HideTip('tt20')">wnd</a>.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.getDocType"></a>getDocType</h3><div class=CBody><p>Returns the string that should go before the HTML tag in the print preview page.&nbsp; This implementation returns an X-UA meta tag for IE5 in quirks mode, IE8 in IE8 standards mode and edge in IE9 standards mode.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.appendGraph"></a>appendGraph</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.appendGraph = function(</td><td class="PParameter  prettyprint " nowrap>graph,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>scale,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>x0,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>y0,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>forcePageBreaks,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>keepOpen</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Adds the given graph to the existing print preview.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>css</td><td class=CDLDescription>Optional CSS string to be used in the head section.</td></tr><tr><td class=CDLEntry>targetWindow</td><td class=CDLDescription>Optional window that should be used for rendering.&nbsp; If this is specified then no HEAD tag, CSS and BODY tag will be written.</td></tr></table></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.open"></a>open</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.open = function(</td><td class="PParameter  prettyprint " nowrap>css,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>targetWindow,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>forcePageBreaks,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>keepOpen</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Shows the print preview window.&nbsp; The window is created here if it does not exist.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>css</td><td class=CDLDescription>Optional CSS string to be used in the head section.</td></tr><tr><td class=CDLEntry>targetWindow</td><td class=CDLDescription>Optional window that should be used for rendering.&nbsp; If this is specified then no HEAD tag, CSS and BODY tag will be written.</td></tr></table></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.addPageBreak"></a>addPageBreak</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.addPageBreak = function(</td><td class="PParameter  prettyprint " nowrap>doc</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Adds a page break to the given document.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.closeDocument"></a>closeDocument</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.closeDocument = function()</td></tr></table></blockquote><p>Writes the closing tags for body and page after calling <a href="#mxPrintPreview.writePostfix" class=LFunction id=link65 onMouseOver="ShowTip(event, 'tt29', 'link65')" onMouseOut="HideTip('tt29')">writePostfix</a>.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.writeHead"></a>writeHead</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.writeHead = function(</td><td class="PParameter  prettyprint " nowrap>doc,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>css</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Writes the HEAD section into the given document, without the opening and closing HEAD tags.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.writePostfix"></a>writePostfix</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.writePostfix = function(</td><td class="PParameter  prettyprint " nowrap>doc</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Called before closing the body of the page.&nbsp; This implementation is empty.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.createPageSelector"></a>createPageSelector</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.createPageSelector = function(</td><td class="PParameter  prettyprint " nowrap>vpages,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>hpages</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Creates the page selector table.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.renderPage"></a>renderPage</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.renderPage = function(</td><td class="PParameter  prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>dx,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>dy,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>content,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>pageNumber</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Creates a DIV that prints a single page of the given graph using the given scale and returns the DIV that represents the page.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>w</td><td class=CDLDescription>Width of the page in pixels.</td></tr><tr><td class=CDLEntry>h</td><td class=CDLDescription>Height of the page in pixels.</td></tr><tr><td class=CDLEntry>dx</td><td class=CDLDescription>Optional horizontal page offset in pixels (used internally).</td></tr><tr><td class=CDLEntry>dy</td><td class=CDLDescription>Optional vertical page offset in pixels (used internally).</td></tr><tr><td class=CDLEntry>content</td><td class=CDLDescription>Callback that adds the HTML content to the inner div of a page.&nbsp; Takes the inner div as the argument.</td></tr><tr><td class=CDLEntry>pageNumber</td><td class=CDLDescription>Integer representing the page number.</td></tr></table></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.getRoot"></a>getRoot</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.getRoot = function()</td></tr></table></blockquote><p>Returns the root cell for painting the graph.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.useCssTransforms"></a>useCssTransforms</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.useCssTransforms = function()</td></tr></table></blockquote><p>Returns true if CSS transforms should be used for scaling content.&nbsp; This returns true if foreignObject is supported and we&rsquo;re not in Safari as it has clipping bugs for transformed CSS content with foreignObjects.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.addGraphFragment"></a>addGraphFragment</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.addGraphFragment = function(</td><td class="PParameter  prettyprint " nowrap>dx,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>dy,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>scale,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>pageNumber,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>div,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>clip</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Adds a graph fragment to the given div.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>dx</td><td class=CDLDescription>Horizontal translation for the diagram.</td></tr><tr><td class=CDLEntry>dy</td><td class=CDLDescription>Vertical translation for the diagram.</td></tr><tr><td class=CDLEntry>scale</td><td class=CDLDescription>Scale for the diagram.</td></tr><tr><td class=CDLEntry>pageNumber</td><td class=CDLDescription>Number of the page to be rendered.</td></tr><tr><td class=CDLEntry>div</td><td class=CDLDescription>Div that contains the output.</td></tr><tr><td class=CDLEntry>clip</td><td class=CDLDescription>Contains the clipping rectangle as an <a href="../util/mxRectangle-js.html#mxRectangle" class=LClass id=link66 onMouseOver="ShowTip(event, 'tt5', 'link66')" onMouseOut="HideTip('tt5')">mxRectangle</a>.</td></tr></table></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.getLinkForCellState"></a>getLinkForCellState</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.getLinkForCellState = function(</td><td class="PParameter  prettyprint " nowrap>state</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Returns the link for the given cell state.&nbsp; This returns null.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.insertBackgroundImage"></a>insertBackgroundImage</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.insertBackgroundImage = function(</td><td class="PParameter  prettyprint " nowrap>div,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>dx,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>dy</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Inserts the background image into the given div.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.getCoverPages"></a>getCoverPages</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.getCoverPages = function()</td></tr></table></blockquote><p>Returns the pages to be added before the print output.&nbsp; This returns null.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.getAppendices"></a>getAppendices</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.getAppendices = function()</td></tr></table></blockquote><p>Returns the pages to be added after the print output.&nbsp; This returns null.</p></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.print"></a>print</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.print = function(</td><td class="PParameter  prettyprint " nowrap>css</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote><p>Opens the print preview and shows the print dialog.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>css</td><td class=CDLDescription>Optional CSS string to be used in the head section.</td></tr></table></div></div></div>

<div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="mxPrintPreview.close"></a>close</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.close = function()</td></tr></table></blockquote><p>Closes the print preview window.</p></div></div></div>

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<!--START_ND_TOOLTIPS-->
<div class=CToolTip id="tt1"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>function mxPrintPreview(</td><td class="PParameter  prettyprint " nowrap>graph,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>scale,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>pageFormat,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>border,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>x0,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>y0,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>borderColor,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>title,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>pageSelector</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Constructs a new print preview for the given parameters.</div></div><div class=CToolTip id="tt2"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.graph</td></tr></table></blockquote>Reference to the mxGraph that should be previewed.</div></div><div class=CToolTip id="tt3"><div class=CClass>Extends mxEventSource to implement a graph component for the browser. </div></div><div class=CToolTip id="tt4"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.pageFormat</td></tr></table></blockquote>Holds the mxRectangle that defines the page format.</div></div><div class=CToolTip id="tt5"><div class=CClass>Extends mxPoint to implement a 2-dimensional rectangle with double precision coordinates.</div></div><div class=CToolTip id="tt6"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.scale</td></tr></table></blockquote>Holds the scale of the print preview.</div></div><div class=CToolTip id="tt7"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.border</td></tr></table></blockquote>The border inset around each side of every page in the preview. </div></div><div class=CToolTip id="tt8"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.marginTop</td></tr></table></blockquote>The margin at the top of the page (number). </div></div><div class=CToolTip id="tt9"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.marginBottom</td></tr></table></blockquote>The margin at the bottom of the page (number). </div></div><div class=CToolTip id="tt10"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.x0</td></tr></table></blockquote>Holds the horizontal offset of the output.</div></div><div class=CToolTip id="tt11"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.y0</td></tr></table></blockquote>Holds the vertical offset of the output.</div></div><div class=CToolTip id="tt12"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.autoOrigin</td></tr></table></blockquote>Specifies if the origin should be automatically computed based on the top, left corner of the actual diagram contents. </div></div><div class=CToolTip id="tt13"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.printOverlays</td></tr></table></blockquote>Specifies if overlays should be printed. </div></div><div class=CToolTip id="tt14"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.printControls</td></tr></table></blockquote>Specifies if controls (such as folding icons) should be printed. </div></div><div class=CToolTip id="tt15"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.printBackgroundImage</td></tr></table></blockquote>Specifies if the background image should be printed. </div></div><div class=CToolTip id="tt16"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.backgroundColor</td></tr></table></blockquote>Holds the color value for the page background color. </div></div><div class=CToolTip id="tt17"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.borderColor</td></tr></table></blockquote>Holds the color value for the page border.</div></div><div class=CToolTip id="tt18"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.title</td></tr></table></blockquote>Holds the title of the preview window.</div></div><div class=CToolTip id="tt19"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.pageSelector</td></tr></table></blockquote>Boolean that specifies if the page selector should be displayed. </div></div><div class=CToolTip id="tt20"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.wnd</td></tr></table></blockquote>Reference to the preview window.</div></div><div class=CToolTip id="tt21"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.targetWindow</td></tr></table></blockquote>Assign any window here to redirect the rendering in open.</div></div><div class=CToolTip id="tt22"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.open = function(</td><td class="PParameter  prettyprint " nowrap>css,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>targetWindow,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>forcePageBreaks,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>keepOpen</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Shows the print preview window. </div></div><div class=CToolTip id="tt23"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.pageCount</td></tr></table></blockquote>Holds the actual number of pages in the preview.</div></div><div class=CToolTip id="tt24"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.clipping</td></tr></table></blockquote>Specifies is clipping should be used to avoid creating too many cell states in large diagrams. </div></div><div class=CToolTip id="tt25"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.getWindow = function()</td></tr></table></blockquote>Returns wnd.</div></div><div class=CToolTip id="tt26"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.appendGraph = function(</td><td class="PParameter  prettyprint " nowrap>graph,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>scale,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>x0,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>y0,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>forcePageBreaks,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>keepOpen</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Adds the given graph to the existing print preview.</div></div><div class=CToolTip id="tt27"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.addPageBreak = function(</td><td class="PParameter  prettyprint " nowrap>doc</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Adds a page break to the given document.</div></div><div class=CToolTip id="tt28"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.closeDocument = function()</td></tr></table></blockquote>Writes the closing tags for body and page after calling writePostfix.</div></div><div class=CToolTip id="tt29"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.writePostfix = function(</td><td class="PParameter  prettyprint " nowrap>doc</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Called before closing the body of the page. </div></div><div class=CToolTip id="tt30"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.writeHead = function(</td><td class="PParameter  prettyprint " nowrap>doc,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>css</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Writes the HEAD section into the given document, without the opening and closing HEAD tags.</div></div><div class=CToolTip id="tt31"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.createPageSelector = function(</td><td class="PParameter  prettyprint " nowrap>vpages,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>hpages</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Creates the page selector table.</div></div><div class=CToolTip id="tt32"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.renderPage = function(</td><td class="PParameter  prettyprint " nowrap>w,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>h,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>dx,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>dy,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>content,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>pageNumber</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Creates a DIV that prints a single page of the given graph using the given scale and returns the DIV that represents the page.</div></div><div class=CToolTip id="tt33"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.getRoot = function()</td></tr></table></blockquote>Returns the root cell for painting the graph.</div></div><div class=CToolTip id="tt34"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.useCssTransforms = function()</td></tr></table></blockquote>Returns true if CSS transforms should be used for scaling content. </div></div><div class=CToolTip id="tt35"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.addGraphFragment = function(</td><td class="PParameter  prettyprint " nowrap>dx,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>dy,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>scale,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>pageNumber,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>div,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>clip</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Adds a graph fragment to the given div.</div></div><div class=CToolTip id="tt36"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.getLinkForCellState = function(</td><td class="PParameter  prettyprint " nowrap>state</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the link for the given cell state. </div></div><div class=CToolTip id="tt37"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.insertBackgroundImage = function(</td><td class="PParameter  prettyprint " nowrap>div,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>dx,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>dy</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Inserts the background image into the given div.</div></div><div class=CToolTip id="tt38"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.getCoverPages = function()</td></tr></table></blockquote>Returns the pages to be added before the print output. </div></div><div class=CToolTip id="tt39"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.getAppendices = function()</td></tr></table></blockquote>Returns the pages to be added after the print output. </div></div><div class=CToolTip id="tt40"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>mxPrintPreview.prototype.print = function(</td><td class="PParameter  prettyprint " nowrap>css</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Opens the print preview and shows the print dialog.</div></div><div class=CToolTip id="tt41"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxPrintPreview.prototype.close = function()</td></tr></table></blockquote>Closes the print preview window.</div></div><div class=CToolTip id="tt42"><div class=CFunction><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class="PBeforeParameters  prettyprint "nowrap>getScaleForPageCount: function(</td><td class="PParameter  prettyprint " nowrap>pageCount,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>graph,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>pageFormat,</td></tr><tr><td></td><td class="PParameter  prettyprint " nowrap>border</td><td class="PAfterParameters  prettyprint "nowrap>)</td></tr></table></td></tr></table></blockquote>Returns the scale to be used for printing the graph with the given bounds across the specifies number of pages with the given format. </div></div><div class=CToolTip id="tt43"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraph.prototype.pageScale</td></tr></table></blockquote>Specifies the scale of the background page. </div></div><div class=CToolTip id="tt44"><div class=CVariable><blockquote><table border=0 cellspacing=0 cellpadding=0 class="Prototype"><tr><td class="prettyprint">mxGraph.prototype.pageFormat</td></tr></table></blockquote>Specifies the page format for the background page. </div></div><!--END_ND_TOOLTIPS-->




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